Most of those games weren't developed by SE.
I wonder how bad it'd be to engage with folks directly on a whim as a developer/producer saying something about your MMO or whatever product. I guess PR departments exist so you don't have Elon Musk type situations, but I'd like to think most people would engage smarter than Elon Musk.
Probably really tempting, though.
I wonder if he still does the YoshiP Sampo thing, where he streams and visits worlds and runs like MinIlvl Crystal Tower or whatever. That was pretty neat to bump into randomly